code.grnet.gr Git - flowspy/blob - flowspec/views.py

   1 # Create your views here.
   2 import urllib2
   3 import re
   4 import socket
   5 import json
   6 from django import forms
   7 from django.views.decorators.csrf import csrf_exempt
   8 from django.core import urlresolvers
   9 from django.core import serializers
  10 from django.contrib.auth.decorators import login_required
  11 from django.http import HttpResponseRedirect, HttpResponseForbidden, HttpResponse
  12 from django.shortcuts import get_object_or_404, render_to_response
  13 from django.core.context_processors import request
  14 from django.template.context import RequestContext
  15 from django.template.loader import get_template
  16 from django.utils import simplejson
  17 from django.core.urlresolvers import reverse
  18 from django.contrib import messages
  19 from flowspy.accounts.models import *
  20
  21 from django.contrib.auth import authenticate, login
  22
  23 from django.forms.models import model_to_dict
  24
  25 from flowspy.flowspec.forms import *
  26 from flowspy.flowspec.models import *
  27
  28 from copy import deepcopy
  29 from flowspy.utils.decorators import shib_required
  30 import datetime
  31
  32 from django.views.decorators.cache import never_cache
  33 from django.conf import settings
  34
  35
  36 def days_offset(): return datetime.date.today() + datetime.timedelta(days = settings.EXPIRATION_DAYS_OFFSET)
  37
  38 @login_required
  39 def user_routes(request):
  40     user_routes = Route.objects.filter(applier=request.user)
  41     return render_to_response('user_routes.html', {'routes': user_routes},
  42                               context_instance=RequestContext(request))
  43
  44 def welcome(request):
  45     return render_to_response('welcome.html', context_instance=RequestContext(request))
  46
  47 @login_required
  48 @never_cache
  49 def group_routes(request):
  50     group_routes = []
  51     peer = request.user.get_profile().peer
  52     if peer:
  53        peer_members = UserProfile.objects.filter(peer=peer)
  54        users = [prof.user for prof in peer_members]
  55        group_routes = Route.objects.filter(applier__in=users)
  56     return render_to_response('user_routes.html', {'routes': group_routes},
  57                               context_instance=RequestContext(request))
  58
  59
  60 @login_required
  61 @never_cache
  62 def add_route(request):
  63     applier = request.user.pk
  64     applier_peer_networks = request.user.get_profile().peer.networks.all()
  65     if not applier_peer_networks:
  66          messages.add_message(request, messages.WARNING,
  67                              "Insufficient rights on administrative networks. Cannot add rule. Contact your administrator")
  68          return HttpResponseRedirect(reverse("group-routes"))
  69     if request.method == "GET":
  70         form = RouteForm()
  71         return render_to_response('apply.html', {'form': form, 'applier': applier},
  72                                   context_instance=RequestContext(request))
  73
  74     else:
  75         form = RouteForm(request.POST)
  76         if form.is_valid():
  77             route=form.save(commit=False)
  78             route.applier = request.user
  79             route.expires = days_offset()
  80             route.status = "PENDING"
  81             route.save()
  82             form.save_m2m()
  83             route.commit_add()
  84             return HttpResponseRedirect(reverse("group-routes"))
  85         else:
  86             return render_to_response('apply.html', {'form': form, 'applier':applier},
  87                                       context_instance=RequestContext(request))
  88
  89 @login_required
  90 @never_cache
  91 def add_then(request):
  92     applier = request.user.pk
  93     if request.method == "GET":
  94         form = RouteForm()
  95         return render_to_response('apply.html', {'form': form, 'applier': applier},
  96                                   context_instance=RequestContext(request))
  97
  98     else:
  99         form = RouteForm(request.POST)
 100         if form.is_valid():
 101             route=form.save(commit=False)
 102             route.applier = request.user
 103             route.expires = days_offset()
 104             route.save()
 105             form.save_m2m()
 106             route.commit_add()
 107             return HttpResponseRedirect(reverse("group-routes"))
 108         else:
 109             return render_to_response('apply.html', {'form': form, 'applier':applier},
 110                                       context_instance=RequestContext(request))
 111
 112 @login_required
 113 @never_cache
 114 def edit_route(request, route_slug):
 115     applier = request.user.pk
 116     applier_peer = request.user.get_profile().peer
 117     route_edit = get_object_or_404(Route, name=route_slug)
 118     route_edit_applier_peer = route_edit.applier.get_profile().peer
 119     if applier_peer != route_edit_applier_peer:
 120         messages.add_message(request, messages.WARNING,
 121                              "Insufficient rights to edit rule %s" %(route_slug))
 122         return HttpResponseRedirect(reverse("group-routes"))
 123     route_original = deepcopy(route_edit)
 124     if request.POST:
 125         form = RouteForm(request.POST, instance = route_edit)
 126         if form.is_valid():
 127             route=form.save(commit=False)
 128             route.name = route_original.name
 129             route.applier = request.user
 130             route.expires = route_original.expires
 131             route.status = "PENDING"
 132             route.save()
 133             form.save_m2m()
 134             route.commit_edit()
 135             return HttpResponseRedirect(reverse("group-routes"))
 136         else:
 137             return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 138                                       context_instance=RequestContext(request))
 139     else:
 140         dictionary = model_to_dict(route_edit, fields=[], exclude=[])
 141         #form = RouteForm(instance=route_edit)
 142         form = RouteForm(dictionary)
 143         return render_to_response('apply.html', {'form': form, 'edit':True, 'applier': applier},
 144                                   context_instance=RequestContext(request))
 145
 146 @login_required
 147 @never_cache
 148 def delete_route(request, route_slug):
 149     if request.is_ajax():
 150         route = get_object_or_404(Route, name=route_slug)
 151         applier_peer = route.applier.get_profile().peer
 152         requester_peer = request.user.get_profile().peer
 153         if applier_peer == requester_peer:
 154             route.status = "PENDING"
 155             route.commit_delete()
 156         html = "<html><body>Done</body></html>"
 157         return HttpResponse(html)
 158     else:
 159         return HttpResponseRedirect(reverse("group-routes"))
 160
 161 @login_required
 162 @never_cache
 163 def user_profile(request):
 164     user = request.user
 165     peer = request.user.get_profile().peer
 166
 167     return render_to_response('profile.html', {'user': user, 'peer':peer},
 168                                   context_instance=RequestContext(request))
 169
 170 @never_cache
 171 def user_login(request):
 172     try:
 173         error_username = None
 174         error_orgname = None
 175         error_affiliation = None
 176         error = ''
 177         username = request.META['HTTP_EPPN']
 178         if not username:
 179             error_username = True
 180         firstname = request.META['HTTP_SHIB_INETORGPERSON_GIVENNAME']
 181         lastname = request.META['HTTP_SHIB_PERSON_SURNAME']
 182         mail = request.META['HTTP_SHIB_INETORGPERSON_MAIL']
 183         organization = request.META['HTTP_SHIB_HOMEORGANIZATION']
 184         affiliation = request.META['HTTP_SHIB_EP_ENTITLEMENT']
 185         match = re.compile(settings.SHIB_AUTH_AFFILIATION)
 186         has_affiliation = match.search(affiliation)
 187         if not has_affiliation:
 188             error_affiliation = True
 189         if not organization:
 190             error_orgname = True
 191         if error_username:
 192             error = "Your idP should release the HTTP_EPPN attribute towards this service\n"
 193         if error_orgname:
 194             error = error + "Your idP should release the HTTP_SHIB_HOMEORGANIZATION attribute towards this service\n"
 195         if error_affiliation:
 196             error = error + "Your idP should release an appropriate HTTP_SHIB_EP_ENTITLEMENT attribute towards this service"
 197         if error_username or error_orgname or error_affiliation:
 198             return render_to_response('error.html', {'error': error,},
 199                                   context_instance=RequestContext(request))
 200         user = authenticate(username=username, firstname=firstname, lastname=lastname, mail=mail, organization=organization, affiliation=affiliation)
 201         if user is not None:
 202             login(request, user)
 203             update_user_attributes(user, firstname=firstname, lastname=lastname, mail=mail)
 204             return HttpResponseRedirect(reverse("group-routes"))
 205                 # Redirect to a success page.
 206                 # Return a 'disabled account' error message
 207         else:
 208             error = "Something went wrong during user authentication. Contact your administrator"
 209             return render_to_response('error.html', {'error': error,},
 210                                   context_instance=RequestContext(request))
 211     except Exception as e:
 212         error = "Invalid login procedure"
 213         return render_to_response('error.html', {'error': error,},
 214                                   context_instance=RequestContext(request))
 215         # Return an 'invalid login' error message.
 216 #    return HttpResponseRedirect(reverse("user-routes"))
 217
 218 @login_required
 219 @never_cache
 220 def add_rate_limit(request):
 221     if request.method == "GET":
 222         form = ThenPlainForm()
 223         return render_to_response('add_rate_limit.html', {'form': form,},
 224                                   context_instance=RequestContext(request))
 225
 226     else:
 227         form = ThenPlainForm(request.POST)
 228         if form.is_valid():
 229             then=form.save(commit=False)
 230             then.action_value = "%sk"%then.action_value
 231             then.save()
 232             response_data = {}
 233             response_data['pk'] = "%s" %then.pk
 234             response_data['value'] = "%s:%s" %(then.action, then.action_value)
 235             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 236         else:
 237             return render_to_response('add_rate_limit.html', {'form': form,},
 238                                       context_instance=RequestContext(request))
 239
 240 def update_user_attributes(user, firstname, lastname, mail):
 241     user.first_name = firstname
 242     user.last_name = lastname
 243     user.email = mail
 244     user.save()
 245
 246 @login_required
 247 @never_cache
 248 def add_port(request):
 249     if request.method == "GET":
 250         form = PortPlainForm()
 251         return render_to_response('add_port.html', {'form': form,},
 252                                   context_instance=RequestContext(request))
 253
 254     else:
 255         form = PortPlainForm(request.POST)
 256         if form.is_valid():
 257             port=form.save()
 258             response_data = {}
 259             response_data['value'] = "%s" %port.pk
 260             response_data['text'] = "%s" %port.port
 261             return HttpResponse(simplejson.dumps(response_data), mimetype='application/json')
 262         else:
 263             return render_to_response('add_port.html', {'form': form,},
 264                                       context_instance=RequestContext(request))
 265
 266 @login_required
 267 @never_cache
 268 def user_logout(request):
 269     return HttpResponseRedirect(settings.SHIB_LOGOUT_URL)
 270
 271 @never_cache
 272 def load_jscript(request, file):
 273     return render_to_response('%s.js' % file, context_instance=RequestContext(request), mimetype="text/javascript")